/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.skillhandlers;

import net.sf.l2j.gameserver.handler.ISkillHandler;
import net.sf.l2j.gameserver.handler.SkillHandler;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2Skill;
import net.sf.l2j.gameserver.model.L2Skill.SkillType;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.StatusUpdate;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;

/**
 * This class ...
 * 
 * @author earendil
 * @version $Revision: 1.1.2.2.2.4 $ $Date: 2005/04/06 16:13:48 $
 */
public class BalanceLife implements ISkillHandler {
	private static final SkillType[] SKILL_IDS = { SkillType.BALANCE_LIFE };

	public void useSkill(L2Character activeChar, L2Skill skill,
			L2Object[] targets) {
		// L2Character activeChar = activeChar;
		// check for other effects
		try {
			ISkillHandler handler = SkillHandler.getInstance().getSkillHandler(
					SkillType.BUFF);
			if (handler != null)
				handler.useSkill(activeChar, skill, targets);
		} catch (Exception e) {
		}
		L2Character target = null;
		L2PcInstance player = null;
		if (activeChar instanceof L2PcInstance)
			player = (L2PcInstance) activeChar;
		double fullHP = 0;
		double currentHPs = 0;
		for (int index = 0; index < targets.length; index++) {
			target = (L2Character) targets[index];
			// We should not heal if char is dead
			if (target == null || target.isDead())
				continue;
			// Player holding a cursed weapon can't be healed and can't heal
			if (target != activeChar)
				if (target instanceof L2PcInstance
						&& ((L2PcInstance) target).isCursedWeaponEquiped())
					continue;
				else if (player != null && player.isCursedWeaponEquiped())
					continue;
			fullHP += target.getMaxHp();
			currentHPs += target.getCurrentHp();
		}
		double percentHP = currentHPs / fullHP;
		for (int index = 0; index < targets.length; index++) {
			target = (L2Character) targets[index];
			double newHP = target.getMaxHp() * percentHP;
			double totalHeal = newHP - target.getCurrentHp();
			target.setCurrentHp(newHP);
			if (totalHeal > 0)
				target.setLastHealAmount((int) totalHeal);
			StatusUpdate su = new StatusUpdate(target.getObjectId());
			su.addAttribute(StatusUpdate.CUR_HP, (int) target.getCurrentHp());
			target.sendPacket(su);
			SystemMessage sm = new SystemMessage(SystemMessageId.S1_S2);
			sm.addString("HP of the party has been balanced.");
			target.sendPacket(sm);
		}
	}

	public SkillType[] getSkillIds() {
		return SKILL_IDS;
	}
}
